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Product Detailed Parameters
- Description：CMC 10MH 3.4A 2LN TH
- Series：WE-FCL
- Mfr：Würth Elektronik
- Package：Bulk
- Filter Type：Power Line
- Number of Lines：2
- Current Rating (Max)：3.4A
- DC Resistance (DCR) (Max)：110mOhm
- Voltage Rating - DC：-
- Voltage Rating - AC：250V
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Through Hole
- Size / Dimension：1.457" L x 1.024" W (37.00mm x 26.00mm)
- Height (Max)：1.772" (45.00mm)
- Package / Case：Vertical, 4 PC Pin
- Inductance @ Frequency：10 mH @ 10 kHz
- Impedance @ Frequency：-
- Qualification：-
- Grade：-
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Overview
The Würth Elektronik 744866103 is a WE-FCL series common mode power line choke designed for mains filtering applications. It features an inductance of 10 mH and supports a maximum DC current of 3.4 A. The component exhibits a maximum DC resistance of 0.11 Ohms and operates within a temperature range of -40°C to +125°C. Rated for 250 V AC, it utilizes a ferrite core and through-hole PCB mounting with an 8 mm lead spacing.
Feature Summary
- Provides effective suppression of common-mode noise in power line circuits
- Constructed with a ferrite core for high magnetic performance
- Designed for robust operation in switch mode power supplies and electronic ballasts
Applications
- Mains filtering systems
- Switch mode power supplies (SMPS)
- Electronic ballast operations
- White goods control circuits
Procurement Notes
Verify the specific part number against official manufacturer documentation before procurement. Confirm that the component meets all required electrical specifications for your application. Check for any obsolete status or recommended substitute parts if availability is limited. Ensure compatibility with your PCB layout regarding lead spacing and mounting style.
Selection Notes
Select this component based on its 10 mH inductance and 3.4 A current rating requirements. Consider the low DC resistance of 0.11 Ohms for minimal voltage drop. Evaluate the operating temperature range of -40°C to +125°C for environmental suitability. Ensure the through-hole package fits your assembly process.
Part Context
This component belongs to the WE-FCL series from Würth Elektronik, specialized for common mode chokes in power line applications. It is engineered to handle significant currents while maintaining compact dimensions. The series is widely used in industrial and consumer electronics for electromagnetic interference suppression.
Replacement Considerations
The 744866103 is listed as obsolete. The manufacturer recommends the 744825410 as a suitable substitute. Verify electrical compatibility between the original and substitute parts before implementation.
